Failed to bind DHCP ports in Neutron Nodes

Solution Verified - Updated -

Issue

  • When creating net/subnet in OpenStack, DHCP ports getting created but their state showing DOWN and binding_failed
2017-02-01 14:29:21.035 2881 ERROR neutron.plugins.ml2.managers [req-18e9fac9-527f-4e58-9f8f-b843f296b2bb ] Failed to bind port 49e3e7e8-82a8-4bf4-a621-00933a655f32 on host controller01.example.com

Environment

  • Red Hat OpenStack Platform 7.0
  • Red Hat OpenStack Platform 8.0
  • Red Hat OpenStack Platform 9.0
  • Red Hat OpenStack Platform 10.0
  • Cisco Plugin (opflex)

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